<template>
	<view class="content">
	<view class="mp-search-box" style="padding-bottom: 10rpx;
">
			<input class="ser-input" type="text" v-model="title" placeholder="请输入关键字搜索" auto-focus="ture"  />
			<van-button @click="loadData()" type="danger" size="small" color="#fa436a"  >搜索</van-button>
	</view>
		
	<!-- <view class="navbar" :style="{position:headerPosition,top:headerTop+56}">
			
			<view class="nav-item" :class="{current: filterIndex === 0}" @click="tabClick(0)">
				综合排序
			</view>
			<view class="nav-item" :class="{current: filterIndex === 1}" @click="tabClick(1)">
				销量优先
			</view>
			<view class="nav-item" :class="{current: filterIndex === 2}" @click="tabClick(2)">
				<text>价格</text>
				<view class="p-box">
					<text :class="{active: priceOrder === 1 && filterIndex === 2}" class="yticon icon-shang"></text>
					<text :class="{active: priceOrder === 2 && filterIndex === 2}" class="yticon icon-shang xia"></text>
				</view>
			</view>
			<text class="cate-item yticon icon-fenlei1" @click="toggleCateMask('show')"></text>
		</view> -->
        <scroll-view scroll-y class="cate-list" >
        	<view class="goods-list" style="padding: 0 30upx;">
        		<view 
        			v-for="(item, index) in goodsList" :key="index"
        			class="goods-item"
        			@click="navToDetailPage(item)"
        		>
        			<view class="image-wrapper">
        				<image :src="item.cover_img" mode="aspectFill"></image>
        			</view>
        			<text class="title clamp">{{item.title}}</text>
        			<view class="price-box">
        				<text class="price">{{item.goods_price}}</text>
        				<text>已售 {{item.goods_sale}}</text>
        			</view>
        		</view>
        	</view>
        </scroll-view>

		<uni-load-more :status="loadingType"></uni-load-more>
		
<!-- 		<view class="cate-mask" :class="cateMaskState===0 ? 'none' : cateMaskState===1 ? 'show' : ''" @click="toggleCateMask">
			<view class="cate-content" @click.stop.prevent="stopPrevent" @touchmove.stop.prevent="stopPrevent">
				<scroll-view scroll-y class="cate-list">
					<view v-for="item in cateList" :key="item.id">
						<view class="cate-item b-b two">{{item.name}}</view>
						<view 
							v-for="tItem in item.child" :key="tItem.id" 
							class="cate-item b-b" 
							:class="{active: tItem.id==cateId}"
							@click="changeCate(tItem)">
							{{tItem.name}}
						</view>
					</view>
				</scroll-view>
			</view>
		</view> -->
		
	</view>
</template>

<script>
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
		// import {goodsLists,cateLists} from '../../api/Json.js'
    import {getOne} from "@/api/publicapi.js"
	export default {
		components: {
			uniLoadMore	
		},
		data() {
			return {
				cateMaskState: 0, //分类面板展开状态
				headerPosition:"fixed",
				headerTop:"0px",
				loadingType: 'more', //加载更多状态
				filterIndex: 0, 
				title: null, //已选三级分类id
				priceOrder: 0, //1 价格从低到高 2价格从高到低
				cateList: [],
				goodsList: [],
                page:1,
                stitle:''
			};
		},
		
		onLoad(options){
			// // #ifdef H5
			// this.headerTop = document.getElementsByTagName('uni-page-head')[0].offsetHeight+'px';
			// // #endif
			console.log('options',options)
            if(options.title!==null ){
                this.title = options.title;
            }
			
            this.page = 1
			// this.loadCateList(options.fid,options.sid);
			this.loadData()
		},
		onPageScroll(e){
			//兼容iOS端下拉时顶部漂移
			if(e.scrollTop>=0){
				this.headerPosition = "fixed";
			}else{
				this.headerPosition = "absolute";
			}
		},
		
		//加载更多
		onReachBottom(){
			this.loadData();
		},
		methods: {
			//加载商品 ，带下拉刷新和上滑加载
			async loadData(type='add', loading) {
                console.log('this.title',this.title)
                if(this.title == this.stitle){
                    if(this.loadingType === 'loading' || this.loadingType === 'noMore' ){
                    	//防止重复加载
                    	return;
                    }
                }else{
                    this.page=1
                     this.goodsList = []
                }
               
                
                this.loadingType = 'loading';
                let data={
                    page:this.page,
                    k:this.title!==undefined ?this.title :''
                }
                getOne('front/cms',data).then(res => {
                    let  orderList = res.data.data
                    console.log(orderList)
                      if(orderList.length>0){
                          this.page += 1
                          for (var i = 0; i < orderList.length; i++) {
                             this.goodsList.push(orderList [i]) 
                          }
                        
                           this.loadingType = 'more';
                      }else{
                         
                           this.loadingType = 'noMore';
                      }
                   this.stitle = this.title
                })
				// //没有更多直接返回
				// if(type === 'add'){
				// 	if(this.loadingType === 'nomore'){
				// 		return;
				// 	}
				// 	this.loadingType = 'loading';
				// }else{
				// 	this.loadingType = 'more'
				// }
				
				// let goodsList = await goodsLists();
				// if(type === 'refresh'){
				// 	this.goodsList = [];
				// }
				// //筛选，测试数据直接前端筛选了
				// if(this.filterIndex === 1){
				// 	goodsList.sort((a,b)=>b.sales - a.sales)
				// }
				// if(this.filterIndex === 2){
				// 	goodsList.sort((a,b)=>{
				// 		if(this.priceOrder == 1){
				// 			return a.price - b.price;
				// 		}
				// 		return b.price - a.price;
				// 	})
				// }
				
				// this.goodsList = this.goodsList.concat(goodsList);
				// //判断是否还有下一页，有是more  没有是nomore(测试数据判断大于20就没有了)
				// this.loadingType  = this.goodsList.length > 20 ? 'nomore' : 'more';
				// if(type === 'refresh'){
				// 	if(loading == 1){
				// 		uni.hideLoading()
				// 	}else{
				// 		uni.stopPullDownRefresh();
				// 	}
				// }
			},
			//筛选点击
			tabClick(index){
				if(this.filterIndex === index && index !== 2){
					return;
				}
				this.filterIndex = index;
				if(index === 2){
					this.priceOrder = this.priceOrder === 1 ? 2: 1;
				}else{
					this.priceOrder = 0;
				}
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				})
				this.loadData('refresh', 1);
				uni.showLoading({
					title: '正在加载'
				})
			},
			//显示分类面板
			toggleCateMask(type){
				let timer = type === 'show' ? 10 : 300;
				let	state = type === 'show' ? 1 : 0;
				this.cateMaskState = 2;
				setTimeout(()=>{
					this.cateMaskState = state;
				}, timer)
			},
			//分类点击
			changeCate(item){
				this.cateId = item.id;
				this.toggleCateMask();
				uni.pageScrollTo({
					duration: 300,
					scrollTop: 0
				})
				this.loadData('refresh', 1);
				uni.showLoading({
					title: '正在加载'
				})
			},
			//详情
			navToDetailPage(item){
				//测试数据没有写id，用title代替
				let id = item.id;
				uni.navigateTo({
					url: `/pages/product/product?id=${id}`
				})
			},
			stopPrevent(){}
		},
	}
</script>

<style lang="scss">
	page, .content{
		background: $page-color-base;
	}
	.content{
		padding-top: 96upx;
	}

	.navbar{
		position: fixed;
		left: 0;
		top: 56upx;
		display: flex;
		width: 100%;
		height: 80upx;
		background: #fff;
		box-shadow: 0 2upx 10upx rgba(0,0,0,.06);
		z-index: 10;
		.nav-item{
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 30upx;
			color: $font-color-dark;
			position: relative;
			&.current{
				color: $base-color;
				&:after{
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 120upx;
					height: 0;
					border-bottom: 4upx solid $base-color;
				}
			}
		}
		.p-box{
			display: flex;
			flex-direction: column;
			.yticon{
				display: flex;
				align-items: center;
				justify-content: center;
				width: 30upx;
				height: 14upx;
				line-height: 1;
				margin-left: 4upx;
				font-size: 26upx;
				color: #888;
				&.active{
					color: $base-color;
				}
			}
			.xia{
				transform: scaleY(-1);
			}
		}
		.cate-item{
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			width: 80upx;
			position: relative;
			font-size: 44upx;
			&:after{
				content: '';
				position: absolute;
				left: 0;
				top: 50%;
				transform: translateY(-50%);
				border-left: 1px solid #ddd;
				width: 0;
				height: 36upx;
			}
		}
	}

	/* 分类 */
	.cate-mask{
		position: fixed;
		left: 0;
		top: var(--window-top);
		bottom: 0;
		width: 100%;
		background: rgba(0,0,0,0);
		z-index: 95;
		transition: .3s;
		
		.cate-content{
			width: 630upx;
			height: 100%;
			background: #fff;
			float:right;
			transform: translateX(100%);
			transition: .3s;
		}
		&.none{
			display: none;
		}
		&.show{
			background: rgba(0,0,0,.4);
			
			.cate-content{
				transform: translateX(0);
			}
		}
	}
	.cate-list{
		display: flex;
		flex-direction: column;
		height: 100%;
		.cate-item{
			display: flex;
			align-items: center;
			height: 90upx;
			padding-left: 30upx;
 			font-size: 28upx;
			color: #555;
			position: relative;
		}
		.two{
			height: 64upx;
			color: #303133;
			font-size: 30upx;
			background: #f8f8f8;
		}
		.active{
			color: $base-color;
		}
	}

	/* 商品列表 */
	.goods-list{
		display:flex;
		flex-wrap:wrap;
		
		background: #fff;
		.goods-item{
			display:flex;
			flex-direction: column;
			width: 48%;
			padding-bottom: 40upx;
			&:nth-child(2n+1){
				margin-right: 4%;
			}
		}
		.image-wrapper{
			width: 100%;
			height: 330upx;
			border-radius: 3px;
			overflow: hidden;
			image{
				width: 100%;
				height: 100%;
				opacity: 1;
			}
		}
		.title{
			font-size: $font-lg;
			color: $font-color-dark;
			line-height: 80upx;
		}
		.price-box{
			display: flex;
			align-items: center;
			justify-content: space-between;
			padding-right: 10upx;
			font-size: 24upx;
			color: $font-color-light;
		}
		.price{
			font-size: $font-lg;
			color: $uni-color-primary;
			line-height: 1;
			&:before{
				content: '￥';
				font-size: 26upx;
			}
		}
	}
	.mp-search-box{
		position:fixed;
		left: 0;
		top: 0upx;
		z-index: 9999;
		width: 100%;
		display: flex;
		background: #fff;
		justify-content: space-between;
		padding: 0px 20upx;
		.ser-input{
			height: 56upx;
			line-height: 56upx;
			text-align: center;
			font-size: 28upx;
			width: 80%;
			color:$font-color-base;
			border-radius: 3px;
			
			background: rgba(255, 255, 255, 0.6);
			border-bottom: #999999 1px solid;

		}
	}
 .van-button--danger  {
 color: #fff;
 background-color: #fa436a;
 border: 1px solid #f44;
 
 }

</style>
